EP1445738A1 - Portable device having flexible case - Google Patents
Portable device having flexible case Download PDFInfo
- Publication number
- EP1445738A1 EP1445738A1 EP20040001961 EP04001961A EP1445738A1 EP 1445738 A1 EP1445738 A1 EP 1445738A1 EP 20040001961 EP20040001961 EP 20040001961 EP 04001961 A EP04001961 A EP 04001961A EP 1445738 A1 EP1445738 A1 EP 1445738A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- case
- portable device
- separable portion
- battery compartment
- separable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/12—Trimming or finishing edges, e.g. deburring welded corners
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00944—Details of construction or manufacture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2220/00—Details of milling processes
- B23C2220/16—Chamferring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2260/00—Details of constructional elements
- B23C2260/04—Adjustable elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2270/00—Details of milling machines, milling processes or milling tools not otherwise provided for
- B23C2270/20—Milling external areas of components
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B19/00—Keys; Accessories therefor
- E05B19/0082—Keys or shanks being removably stored in a larger object, e.g. a remote control or a key fob
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00944—Details of construction or manufacture
- G07C2009/00952—Electronic keys comprising a mechanical key within their housing, e.g. extractable or retractable emergency key
Definitions
- the present invention relates to a portable device for remotely controlling a device of a vehicle.
- a remote controller used to perform such remote control includes a portable device, which is operated by a user (owner), and a transceiver, which is installed in an external device.
- a portable device which is operated by a user (owner)
- a transceiver which is installed in an external device.
- the remote control of a household appliance using a cellular phone and the remote control of a vehicle using an electronic key are known in the art.
- Fig. 1 shows an example of a portable device 50 described in Japanese Laid-Open Patent Publication No. 2002-339605 used for remotely controlling a vehicle.
- the portable device includes a case 51, which is made of a synthetic resin and which accommodates a battery 52, a mechanical key 53 used during emergencies, a plurality of electronic components 54, and a circuit board 55.
- a user uses the mechanical key 53 to lock or unlock the door of the vehicle and to start the engine.
- the outer surface of the case 51 includes an opening 56, through which the mechanical key 53 is removed, and a lid 57, which enables the battery 52 to be changed.
- the lid 57 is normally a slide-type lid such as the one shown in Fig. 2 or a fixed lid fastened by a screw. To improve the portability and convenience, there is a strong demand for a thinner portable device 50.
- a thinner portable device 50 would decrease the strength of the case 51 and the circuit board 55 that form the portable device 50.
- the application of external force to the portable device 50 may deform or damage the case 51 and the circuit board 55.
- deformation of the case 51 may cause the lid 57 to fall off from the outer surface of the case 51. This would affect the water resistance of the portable device 50.
- the present invention provides a portable device for communication with an external device.
- the portable device includes a case made of a flexible material.
- a battery compartment is formed in the case.
- a separable portion is formed in part of the case in correspondence with the battery compartment. The part of the case is deformable to open the separable portion and expose the battery compartment from the case.
- a further embodiment of the present invention is a portable device for communication with an external device.
- the portable device includes a case made of a flexible material.
- a battery compartment is formed in a corner of the case.
- a separable portion is formed in the corner of the case in correspondence with the battery compartment.
- the corner of the case is deformable to open the separable portion and expose the battery compartment from the case.
- the separable portion includes a first connecting surface and a second connecting surface that are arranged adjacent to the battery compartment and are separable from each other.
- the first connecting surface includes a first fitting portion formed to surround the battery compartment, and the second connecting surface includes a second fitting portion to which the first fitting portion is fitted.
- a portable device 120 according to a first embodiment of the present invention will now be discussed with reference to Figs. 3 to 7.
- a remote control apparatus 110 for use in a vehicle includes a portable device 120 having a smart entry function and/or smart ignition function that performs ID verification.
- the smart entry function automatically unlocks the doors of the vehicle 140 when a user (owner) 15, who is carrying the portable device 120, approaches the vehicle 140 and automatically locks the doors when the user 15 moves away from the vehicle 140.
- the smart ignition function automatically enables the engine to be started when the user 15 enters the vehicle 140.
- the remote control apparatus 110 includes the portable device 120 and a transceiver 130, which communicates with the portable device 120.
- the user 15 of the vehicle 140 carries the portable device 120.
- the transceiver 130 is installed in the vehicle 140 and includes a transmitter circuit, a receiver circuit, and a microcomputer (not shown). Transmitting and receiving antennas (not shown) are connected to the transmitter circuit and the receiver circuit.
- the transceiver 130 of the vehicle 140 transmits an ID request signal to the portable device 120.
- the portable device 120 transmits an ID signal.
- the transceiver 130 receives the ID signal.
- the vehicle 140 compares an ID code, which is included in the ID signal from the portable device 120, with an ID code of the vehicle 140. When the two ID codes match, a signal for enabling the starting of the engine is transmitted to an engine controller (not shown).
- the portable device 120 has a thin case 22.
- the case 22 includes a base 31 and a cover 32, which are opposed to each other.
- the cover 32 is adhered to or welded to the base 31.
- the cover 32 is not adhered or welded to the base 31.
- a separable portion 33 which enables the battery 21 of the portable device 120 to be changed, is defined at the corner.
- the separable portion 33 includes two corner pieces respectively associated with the base 31 and the cover 32. The corner pieces are resiliently deformed in a direction that is generally perpendicular to the plane of the case 22 to form an opening.
- the entire case 22 is made of a resiliently deformable flexible material.
- the case 22 is made of a resin material, such as a polyethylene resin, a silicon resin, an urethane resin, a polyimide resin, an olefin elastomer resin, or a styrene elastomer resin.
- a resin material such as a polyethylene resin, a silicon resin, an urethane resin, a polyimide resin, an olefin elastomer resin, or a styrene elastomer resin.
- the case 22 is divided into a circuit compartment 22a, in which the circuit board 20 is accommodated, a battery compartment 22b, in which the button-like battery 21 is accommodated, and a mechanical key compartment 22c, in which the mechanical key 23 is accommodated.
- the circuit board 20 is preferably a flexible print circuit (FPC) board, which is flexible and bendable.
- FPC flexible print circuit
- a conductive circuit is printed or etched to a polyester (PET) film.
- a terminal 25 extends from an end of the circuit board 20.
- the material of the terminal 25 is an anisotropic conductor (e.g., INTERCONNECTOR manufactured by Shinetsu Polymer Co., Ltd.), which is formed by bonding metal fibers 26 with an insulative silicon resin 27.
- an elastic force is applied to the terminal 25, which is made of the anisotropic conductor. Accordingly, the distal end of the terminal 25, which presses the battery 21, is kept in contact with the battery 21. In this state, the battery 21 supplies power via the terminal 25 to the electronic devices connected to the circuit board 20, such as the transmitter circuit 16, the receiver circuit 17, and the microcomputer 18.
- the two corner pieces of the base 31 and cover 32 that form the separable portion 33 respectively have a first connecting surface 31a and a second connecting surface 32a that are connected to each other when the separable portion 33 is closed.
- the battery compartment 22b is located adjacent to the first and second connecting surfaces 31a and 32a. When the separable portion 33 is opened, the battery compartment 22b is exposed.
- a lip 36 extends from the first connecting surface 31a around part of the battery compartment 22b on the corner piece of the base 31.
- the lip 36 is generally U-shaped to partition the separable portion 33 and the battery compartment 22b.
- a groove 37 extends in the second connecting surface 32a of the corner piece of the cover 32 in correspondence with the lip 36.
- the user 15 first bends the area near the corner of the case 22 to separate the corner pieces of the base 31 and the cover 32 from each other. This separates the lip 36 of the base 31 from the groove 37 of the cover 32. In this state, the separable portion 33 is opened at one corner of the case 22 and the battery compartment 22b is exposed from the case 22. The user 15 removes the used battery 21 from the battery compartment 22b through the opened separable portion 33.
- the user 15 inserts the new battery 21 in the battery compartment 22b through the opened separable portion 33. Subsequently, the user 15 bends back the area near the corner of the case 22 to connect the corner pieces of the base 31 and the cover 32 to each other. As a result, the lip 36 of the base 31 is fitted to the groove 37 of the cover 32, the first connecting surface 31a of the base 31 is connected to the second connecting surface 32a of the cover 32, and the separable portion 33 is closed. In this state, the fitting of the lip 36 and the groove 37 results in the separable portion 33 being water resistant.
- the portable device 120 of the first embodiment has the advantages described below.
- a portable device 40 according to a second embodiment of the present invention will now be discussed with reference to Figs. 8 to 13.
- the portable device 50 includes a clip 41, which is attached to the case 22 and which functions as a holding means.
- the clip 41 covers the separable portion 33 and keeps the separable portion 33 closed. More specifically, the clip 41 has an L-shaped base 43, which is shaped to correspond to the edges of the separable portion 33 and two square holding pieces 42, which are opposed to each other.
- the two holding pieces 42 define an opening for the clip 41 therebetween. The space between the two holding pieces 42 narrows as the distance from the base 43 becomes greater. In the clip 41, the two holding pieces 42 are deformed with the base 43 functioning as a fixed point.
- the clip 41 has a U-shaped cross-section to hold the separable portion 33 in the clip 41.
- the clip 41 is detachably attached to the case 22 with the separable portion 33, with the two surfaces on opposite sides of the corner of the case 22 held between the two holding pieces 42.
- the clip 41 is made of a hard material, such as metal or resin.
- Figs. 10 and 11 are cross-sectional views of the portable device 40 taken along line 10-10 in Fig. 8, and Figs. 12 and 13 are cross-sectional views of the portable device 40 taken along line 12-12 in Fig. 8.
- the portion of the case 22 to which the clip 41 is attached is thinner than the other portions of the case 22 by an amount corresponding to the thickness of the two holding pieces 42.
- the surface of the clip 41 is flush with the surface of the case 22.
- the distal portion of the clip 41 is located at a position at which the battery 21 and the terminal 25 are in contact with each other. Accordingly, the attachment of the clip 41 to the case 22 increases the contact pressure between the battery 21 and the terminal 25.
- projections 44 and 46 are formed at the edges on the inner surfaces of the two holding pieces 42 near the opening of the clip 41.
- Pits 45 and 47 which respectively correspond to the projections 44 and 46, are formed in the surfaces of the case 22 at the corner to which the clip 41 is attached.
- the user 15 first engages the projections 44 of the two holding pieces 42 with the pits 45 of the case 22. Then, the clip 41 is attached from direction A to the case 22 along the pits 45. In this state, the clip 41 is attached to the case 22 while sliding the inner surfaces of the holding pieces 42 along the associated surfaces of the case 22. After the attachment of the clip 41 is completed, the projections 46 of the two holding pieces 42 are engaged with the pits 47 of the case 22. In this state, the inner surfaces of the two holding pieces 42 press the corner of the case 22.
- the user 15 To remove the clip 41, the user 15 first separates the projections 46 of the clip 41 from the pits 47 of the case 22. Then, the user 15 removes the clip 41 from the case 22 along the pits 45. In the second embodiment, when changing the battery 21, the user 15 performs the same procedures as the first embodiment after the clip 41 is removed from the case 22.
- the portable device 40 of the second embodiment has the advantages described below.
- the portable device 120 and 40 are used in a vehicle provided with a smart entry function and a smart ignition function.
- a portable device according to the present invention may be used, for example, when remotely controlling the locking and unlocking of a door of a house or when remotely controlling a household electrical appliance or a personal computer using a cellular phone.
- the base 31 and the cover 32 are adhered or welded to each other to form the case 22.
- the case 22 may be formed through other methods. For example, potting or casting may be performed by pouring a thermosetting resin into a mold and then hardening the resin to form the base 31 and the cover 32 integrally with each other.
- the separable portion 33 from which the battery compartment 22b is exposed, is arranged at one corner of the case 22.
- the separable portion 33 may be arranged at any position in accordance with the location of the battery compartment 22b.
- the separable portion 33 which is water resistant, includes the lip 36 formed on the base 31 and the groove 37 formed in the cover 32.
- the cover 32 may have the lip 36
- the base 31 may have the groove 37.
- the water resistant structure formed by the lip 36 and the groove 37 is generally U-shaped to partition the separable portion 33 and the battery compartment 22b.
- the water resistant structure may be circular to encompass the entire battery compartment 22b.
- the terminal 25, which supplies power from the battery 21 to the circuit board 20, is an anisotropic conductor, which is formed by bonding the metal fibers 26 with the insulative silicon resin 27.
- a metal terminal 25 may be used in lieu of the anisotropic conductor.
- the user 15 may attach the clip 41 to the case 22 from direction B (the longitudinal direction of the portable device 40) instead of from direction A of Fig. 9.
- the clip 41 is attached to the case 22 by guiding the projections 46 with the pits 47.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
- Battery Mounting, Suspending (AREA)
- Telephone Set Structure (AREA)
- Casings For Electric Apparatus (AREA)
- Transmitters (AREA)
Abstract
Description
- The present invention relates to a portable device for remotely controlling a device of a vehicle.
- Due to the progress in information communication technology and the widespread use of communication devices, remote control is performed in various fields with portable devices. A remote controller used to perform such remote control includes a portable device, which is operated by a user (owner), and a transceiver, which is installed in an external device. For example, the remote control of a household appliance using a cellular phone and the remote control of a vehicle using an electronic key are known in the art.
- Fig. 1 shows an example of a
portable device 50 described in Japanese Laid-Open Patent Publication No. 2002-339605 used for remotely controlling a vehicle. The portable device includes acase 51, which is made of a synthetic resin and which accommodates abattery 52, amechanical key 53 used during emergencies, a plurality ofelectronic components 54, and acircuit board 55. When thebattery 52 is drained, a user uses themechanical key 53 to lock or unlock the door of the vehicle and to start the engine. Referring to Fig. 2, the outer surface of thecase 51 includes anopening 56, through which themechanical key 53 is removed, and alid 57, which enables thebattery 52 to be changed. Thelid 57 is normally a slide-type lid such as the one shown in Fig. 2 or a fixed lid fastened by a screw. To improve the portability and convenience, there is a strong demand for a thinnerportable device 50. - However, a thinner
portable device 50 would decrease the strength of thecase 51 and thecircuit board 55 that form theportable device 50. For example, when a user carries theportable device 50 in a garment pocket or a wallet, the application of external force to theportable device 50 may deform or damage thecase 51 and thecircuit board 55. In addition, deformation of thecase 51 may cause thelid 57 to fall off from the outer surface of thecase 51. This would affect the water resistance of theportable device 50. - It is an object of the present invention to provide a portable device that resists deformation during the application of external force while remaining water resistant.
- To achieve the above object, the present invention provides a portable device for communication with an external device. The portable device includes a case made of a flexible material. A battery compartment is formed in the case. A separable portion is formed in part of the case in correspondence with the battery compartment. The part of the case is deformable to open the separable portion and expose the battery compartment from the case.
- A further embodiment of the present invention is a portable device for communication with an external device. The portable device includes a case made of a flexible material. A battery compartment is formed in a corner of the case. A separable portion is formed in the corner of the case in correspondence with the battery compartment. The corner of the case is deformable to open the separable portion and expose the battery compartment from the case. The separable portion includes a first connecting surface and a second connecting surface that are arranged adjacent to the battery compartment and are separable from each other. The first connecting surface includes a first fitting portion formed to surround the battery compartment, and the second connecting surface includes a second fitting portion to which the first fitting portion is fitted.
- Other embodiments and advantages of the present invention will become apparent from the following description, taken in conjunction with the accompanying drawings, illustrating by way of example the principles of the invention.
- The invention, and preferred objects and advantages thereof, may best be understood by reference to the following description of the certain exemplifying embodiments together with the accompanying drawings in which:
- Fig. 1 is a cross-sectional view showing a prior art portable device;
- Fig. 2 is a perspective view showing the prior art portable device;
- Fig. 3 is a schematic diagram showing a remote control apparatus according to a first embodiment of the present invention;
- Fig. 4 is a perspective view showing a separable portion of a portable device in a closed state in the first embodiment;
- Fig. 5 is a perspective view showing the separable portion of the portable device in an opened state in the first embodiment;
- Fig. 6 is a cross-sectional view of the portable device shown in Fig. 4;
- Fig. 7 is a cross-sectional view taken along line 7-7 in Fig. 6;
- Fig. 8 is a perspective view showing a portable device according to a second embodiment of the present invention in which a separable portion is closed;
- Fig. 9 is a perspective view showing the portable device in an opened state and a clip;
- Fig. 10 is a partial cross-sectional view showing the portable device of Fig. 8 taken along line 10-10;
- Fig. 11 is a partial cross-sectional view of Fig. 10 in a state in which the clip is removed from the portable device;
- Fig. 12 is a partial cross-sectional view taken along line 12-12 in Fig. 8; and
- Fig. 13 is a partial cross-sectional view of Fig. 12 in a state in which the clip is removed from the portable device.
-
- In the drawings, like numerals are used for like elements throughout.
- A
portable device 120 according to a first embodiment of the present invention will now be discussed with reference to Figs. 3 to 7. - A
remote control apparatus 110 for use in a vehicle includes aportable device 120 having a smart entry function and/or smart ignition function that performs ID verification. The smart entry function automatically unlocks the doors of thevehicle 140 when a user (owner) 15, who is carrying theportable device 120, approaches thevehicle 140 and automatically locks the doors when theuser 15 moves away from thevehicle 140. The smart ignition function automatically enables the engine to be started when theuser 15 enters thevehicle 140. - With reference to Fig. 3, the
remote control apparatus 110 includes theportable device 120 and a transceiver 130, which communicates with theportable device 120. Theuser 15 of thevehicle 140 carries theportable device 120. The transceiver 130 is installed in thevehicle 140 and includes a transmitter circuit, a receiver circuit, and a microcomputer (not shown). Transmitting and receiving antennas (not shown) are connected to the transmitter circuit and the receiver circuit. - For example, in a smart ignition apparatus, the transceiver 130 of the
vehicle 140 transmits an ID request signal to theportable device 120. In response to the ID request signal, theportable device 120 transmits an ID signal. The transceiver 130 receives the ID signal. Then, thevehicle 140 compares an ID code, which is included in the ID signal from theportable device 120, with an ID code of thevehicle 140. When the two ID codes match, a signal for enabling the starting of the engine is transmitted to an engine controller (not shown). - Referring to Figs. 4 to 7, the
portable device 120 has athin case 22. Atransmitter circuit 16, areceiver circuit 17, amicrocomputer 18, anantenna 19, acircuit board 20, abattery 21, which functions as a power source, and a mechanical key, which is used during emergencies, are arranged in thecase 22. - The
case 22 includes abase 31 and acover 32, which are opposed to each other. Thecover 32 is adhered to or welded to thebase 31. At one corner of thecase 22, thecover 32 is not adhered or welded to thebase 31. Aseparable portion 33, which enables thebattery 21 of theportable device 120 to be changed, is defined at the corner. Theseparable portion 33 includes two corner pieces respectively associated with thebase 31 and thecover 32. The corner pieces are resiliently deformed in a direction that is generally perpendicular to the plane of thecase 22 to form an opening. Theentire case 22 is made of a resiliently deformable flexible material. More specifically, thecase 22 is made of a resin material, such as a polyethylene resin, a silicon resin, an urethane resin, a polyimide resin, an olefin elastomer resin, or a styrene elastomer resin. - The
case 22 is divided into acircuit compartment 22a, in which thecircuit board 20 is accommodated, abattery compartment 22b, in which the button-like battery 21 is accommodated, and a mechanicalkey compartment 22c, in which themechanical key 23 is accommodated. For example, thetransmitter circuit 16, thereceiver circuit 17, themicrocomputer 18, and theantenna 19 are connected to thecircuit board 20. Thecircuit board 20 is preferably a flexible print circuit (FPC) board, which is flexible and bendable. In a flexible print circuit board, for example, a conductive circuit is printed or etched to a polyester (PET) film. - A terminal 25 extends from an end of the
circuit board 20. The material of the terminal 25 is an anisotropic conductor (e.g., INTERCONNECTOR manufactured by Shinetsu Polymer Co., Ltd.), which is formed by bondingmetal fibers 26 with aninsulative silicon resin 27. When thecover 32 is attached to thebase 31, an elastic force is applied to the terminal 25, which is made of the anisotropic conductor. Accordingly, the distal end of the terminal 25, which presses thebattery 21, is kept in contact with thebattery 21. In this state, thebattery 21 supplies power via the terminal 25 to the electronic devices connected to thecircuit board 20, such as thetransmitter circuit 16, thereceiver circuit 17, and themicrocomputer 18. - The two corner pieces of the
base 31 and cover 32 that form theseparable portion 33 respectively have a first connectingsurface 31a and a second connectingsurface 32a that are connected to each other when theseparable portion 33 is closed. Thebattery compartment 22b is located adjacent to the first and second connectingsurfaces separable portion 33 is opened, thebattery compartment 22b is exposed. Alip 36 extends from the first connectingsurface 31a around part of thebattery compartment 22b on the corner piece of thebase 31. Thelip 36 is generally U-shaped to partition theseparable portion 33 and thebattery compartment 22b. Agroove 37 extends in the second connectingsurface 32a of the corner piece of thecover 32 in correspondence with thelip 36. When theseparable portion 33 is closed, thelip 36 is fitted to thegroove 37 through a concavo-convex relationship. In this state, the fitting of thelip 36 and thegroove 37 results in theseparable portion 33 being water resistant. - The procedures for changing the
battery 21 will now be discussed with reference to Figs. 4 and 5. - The
user 15 first bends the area near the corner of thecase 22 to separate the corner pieces of thebase 31 and thecover 32 from each other. This separates thelip 36 of the base 31 from thegroove 37 of thecover 32. In this state, theseparable portion 33 is opened at one corner of thecase 22 and thebattery compartment 22b is exposed from thecase 22. Theuser 15 removes the usedbattery 21 from thebattery compartment 22b through the openedseparable portion 33. - Then, the
user 15 inserts thenew battery 21 in thebattery compartment 22b through the openedseparable portion 33. Subsequently, theuser 15 bends back the area near the corner of thecase 22 to connect the corner pieces of thebase 31 and thecover 32 to each other. As a result, thelip 36 of thebase 31 is fitted to thegroove 37 of thecover 32, the first connectingsurface 31a of thebase 31 is connected to the second connectingsurface 32a of thecover 32, and theseparable portion 33 is closed. In this state, the fitting of thelip 36 and thegroove 37 results in theseparable portion 33 being water resistant. - The
portable device 120 of the first embodiment has the advantages described below. - (1) The
case 22 is made of a resiliently deformable flexible material. Thus, by bending the area near a corner of thecase 22, theseparable portion 33 is opened to expose thebattery compartment 22b. The opening of theseparable portion 33 enables theuser 15 to remove thebattery 21 from thebattery compartment 22b and easily insert thebattery 21 in thebattery compartment 22b. - (2) The
case 22 of theportable device 120 is bent to open theseparable portion 33 and change thebattery 21. This eliminates the need for alid 57, such as that shown in Fig. 2. Further, when theuser 15 is carrying theportable device 120, there is no battery lid that would fall off theportable device 120. This keeps theportable device 120 water resistant. - (3) The
case 22 is made of a resiliently deformable flexible material. Since thecase 22 is flexible, thecase 22 may be bent by applying an external force to thecase 22. Thus, even if an excessive external force is applied to theportable device 120, thecase 22 is deformed in accordance with the force and resists cracking. This improves the resistance of theportable device 120 with respect to external forces. - (4) The
separable portion 33 that exposes thebattery compartment 22b is arranged in a corner of thecase 22. Thebattery compartment 22b is located at a position where it is easily exposed from theseparable portion 33. This enables theuser 15 to easily change thebattery 21 and improves the convenience of theportable device 120. - (5) The fitting of the
lip 36 of the base 31 to thegroove 37 of thecover 32 through the concavo-convex relationship makes theseparable portion 33 water resistant. - (6) The
case 22 is made of a flexible resin material, such as a polyethylene resin, a silicon resin, an urethane resin, a polyimide resin, an olefin elastomer resin, or a styrene elastomer resin. Since thecase 22 is flexible, theportable device 120 resists deformation when external force is applied thereto. Further, the first connectingsurface 31a of thebase 31 comes into close contact with the second connectingsurface 32a of thecover 32. Theseparable portion 33 has a water-resistant sealing effect and improves the water resistance of theportable device 120. - (7) The
circuit board 20 is a flexible print circuit board. Thus, even when an excessive external force is applied to theportable device 120, thecircuit board 20 is resiliently deformed and resists cracking. This improves the resistance to deformation of theportable device 120 when an external force is applied thereto. - (8) The terminal 25 that supplies power from the
battery 21 to thecircuit board 20 is an anisotropic conductor, which is formed by bonding themetal fibers 26 with theinsulative silicon resin 27. The terminal 25 is electrically connected to thebattery 21 in a state in which thedistal end 25a of the terminal 25 is pressed against thebattery 21. This keeps thedistal end 25a of the terminal 25 securely held on thebattery 21 and improves the reliability of theportable device 120. - (9) The
mechanical key 23 is accommodated in thecase 22. When the voltage of thebattery 21 decreases, theuser 15 uses the mechanical key 23 to lock and unlock the doors and to start the engine. This improves the convenience of theportable device 120. -
- A
portable device 40 according to a second embodiment of the present invention will now be discussed with reference to Figs. 8 to 13. - Referring to Figs. 8 and 9, the
portable device 50 includes aclip 41, which is attached to thecase 22 and which functions as a holding means. Theclip 41 covers theseparable portion 33 and keeps theseparable portion 33 closed. More specifically, theclip 41 has an L-shapedbase 43, which is shaped to correspond to the edges of theseparable portion 33 and two square holdingpieces 42, which are opposed to each other. The two holdingpieces 42 define an opening for theclip 41 therebetween. The space between the two holdingpieces 42 narrows as the distance from thebase 43 becomes greater. In theclip 41, the two holdingpieces 42 are deformed with the base 43 functioning as a fixed point. Theclip 41 has a U-shaped cross-section to hold theseparable portion 33 in theclip 41. Theclip 41 is detachably attached to thecase 22 with theseparable portion 33, with the two surfaces on opposite sides of the corner of thecase 22 held between the two holdingpieces 42. Theclip 41 is made of a hard material, such as metal or resin. - Figs. 10 and 11 are cross-sectional views of the
portable device 40 taken along line 10-10 in Fig. 8, and Figs. 12 and 13 are cross-sectional views of theportable device 40 taken along line 12-12 in Fig. 8. In thecase 22, the portion of thecase 22 to which theclip 41 is attached is thinner than the other portions of thecase 22 by an amount corresponding to the thickness of the two holdingpieces 42. Thus, when theclip 41 is attached to thecase 22, the surface of theclip 41 is flush with the surface of thecase 22. Further, the distal portion of theclip 41 is located at a position at which thebattery 21 and the terminal 25 are in contact with each other. Accordingly, the attachment of theclip 41 to thecase 22 increases the contact pressure between thebattery 21 and the terminal 25. - The attachment of the
clip 41 to thecase 22 from direction A (the lateral direction of the portable device 40) will now be discussed. As shown in Figs. 9 to 13,projections pieces 42 near the opening of theclip 41.Pits projections case 22 at the corner to which theclip 41 is attached. When theuser 15 attaches theclip 41 to thecase 22 from direction A, theprojections 44 of theclip 41 are received and guided by thepits 45. - When the attachment of the
clip 41 to thecase 22 is completed, theprojections 46 of theclip 41 are engaged with thepits 47 of thecase 22. - The procedure for attaching the
clip 41 to thecase 22 will now be discussed with reference to Figs. 9 to 13. - The
user 15 first engages theprojections 44 of the two holdingpieces 42 with thepits 45 of thecase 22. Then, theclip 41 is attached from direction A to thecase 22 along thepits 45. In this state, theclip 41 is attached to thecase 22 while sliding the inner surfaces of the holdingpieces 42 along the associated surfaces of thecase 22. After the attachment of theclip 41 is completed, theprojections 46 of the two holdingpieces 42 are engaged with thepits 47 of thecase 22. In this state, the inner surfaces of the two holdingpieces 42 press the corner of thecase 22. - To remove the
clip 41, theuser 15 first separates theprojections 46 of theclip 41 from thepits 47 of thecase 22. Then, theuser 15 removes theclip 41 from thecase 22 along thepits 45. In the second embodiment, when changing thebattery 21, theuser 15 performs the same procedures as the first embodiment after theclip 41 is removed from thecase 22. - The
portable device 40 of the second embodiment has the advantages described below. - (10) The clip holds the
separable portion 33, or the surfaces at the corner of thecase 22. The attachment of theclip 41 firmly connects the first and second connectingsurfaces 31a of the corner pieces at the base 31 with each other and improves the sealing of theseparable portion 33. This prevents water from entering thecase 22 through theseparable portion 33. Thus, the water resistance of theportable device 40 is improved. - (11) The
clip 41 clamps theseparable portion 33, or the surfaces at the corner of thecase 22. The attachment of theclip 41 to thecase 22 increases the contact pressure between thebattery 21, which is arranged in thebattery compartment 22b, and the terminal 25, which supplies the power of thebattery 21 to thecircuit board 20. This keeps the terminal 25 securely held on thebattery 21 and improves the reliability of theportable device 40. - (12) The
clip 41 is made of a hard material such as metal or resin. The attachment of theclip 41 to theseparable portion 33 connects the first connectingsurface 31a of thebase 31 and the second connectingsurface 32a of thecover 32 with a strong force. This improves the sealing of theseparable portion 33 and increases the contact pressure between thebattery 21 and the terminal 25. Accordingly, the water resistance and reliability of theportable device 40 are further improved. - (13) The
clip 41 has substantially the same area as thebattery compartment 22b. Thus, even if theclip 41 is made of metal, the blocking of radio waves is minimized, and the communication capability of theportable device 40 is not lowered. - (14) The
clip 41 is formed so that the distance between the two holdingpieces 42 narrows as the distance from the base 43 increases. Thus, the attachment of theclip 41 applies pressure with the two holdingpieces 42 to the associated surfaces at the corner of thecase 22. This further connects the connectingsurfaces separable portion 33 with a stronger force. - (15) The
projections 44 are formed in theclip 41, and thecorresponding pits 45 are formed in the associated surfaces of thecase 22. Thus, when theuser 15 attaches theclip 41 to thecase 22 from direction A, theprojections 44 of theclip 41 are received in thepits 45 of thecase 22. This enables theuser 15 to easily attach theclip 41 to thecase 22. - (16) When the attachment of the
clip 41 to thecase 22 is completed, theprojections clip 41 are respectively engaged with thepits case 22. This makes it difficult for theclip 41 to fall off from thecase 22. - (17) When the
clip 41 is attached to thecase 22, the surface of theclip 41 is flush with the surface of thecase 22. Since theportable device 40 has a smooth surface, theportable device 40 does not get caught in the fabric of clothing. Thus, theportable device 40 may easily be put into or removed from a garment pocket or a wallet by theuser 15. This improves the portability of theportable device 40. -
- It should be apparent to those skilled in the art that the present invention may be embodied in many other specific forms. Particularly, it should be understood that the present invention may be embodied in the following forms.
- In the first and second embodiments, the
portable device - In the first and second embodiments, the
base 31 and thecover 32 are adhered or welded to each other to form thecase 22. However, thecase 22 may be formed through other methods. For example, potting or casting may be performed by pouring a thermosetting resin into a mold and then hardening the resin to form thebase 31 and thecover 32 integrally with each other. - In the first and second embodiments, the
separable portion 33, from which thebattery compartment 22b is exposed, is arranged at one corner of thecase 22. However, theseparable portion 33 may be arranged at any position in accordance with the location of thebattery compartment 22b. - In the first and second embodiments, the
separable portion 33, which is water resistant, includes thelip 36 formed on thebase 31 and thegroove 37 formed in thecover 32. However, thecover 32 may have thelip 36, and the base 31 may have thegroove 37. - In the first and second embodiments, the water resistant structure formed by the
lip 36 and thegroove 37 is generally U-shaped to partition theseparable portion 33 and thebattery compartment 22b. However, the water resistant structure may be circular to encompass theentire battery compartment 22b. - In the first and second embodiments, the terminal 25, which supplies power from the
battery 21 to thecircuit board 20, is an anisotropic conductor, which is formed by bonding themetal fibers 26 with theinsulative silicon resin 27. However, ametal terminal 25 may be used in lieu of the anisotropic conductor. - In the second embodiment, the
user 15 may attach theclip 41 to thecase 22 from direction B (the longitudinal direction of the portable device 40) instead of from direction A of Fig. 9. In this case, theclip 41 is attached to thecase 22 by guiding theprojections 46 with thepits 47. - The present examples and embodiments are to be considered as illustrative and not restrictive.
Claims (16)
- A portable device (120, 40) for communication with an external device, the portable device characterized by:a case (22) made of a flexible material;a battery compartment (22b) formed in the case; anda separable portion (33) formed in part of the case in correspondence with the battery compartment, said part of the case being deformable to open the separable portion and expose the battery compartment from the case.
- The portable device according to claim 1, characterized in that the separable portion is located in a corner of the case.
- The portable device according to claim 1 or 2, characterized in that the separable portion includes a first connecting surface (31a) and a second connecting surface (32a) that are arranged adjacent to the battery compartment and are separable from each other, the first connecting surface including a first fitting portion (36) formed to surround the battery compartment, and the second connecting surface including a second fitting portion (37) to which the first fitting portion is fitted.
- The portable device according to any one of claims 1 to 3, characterized in that the case is made of a resin selected from the group consisting of a polyethylene resin, a silicon resin, an urethane resin, a polyimide resin, an olefin elastomer resin, and a styrene elastomer resin.
- The portable device according to any one of claims 1 to 4, further characterized by:a flexible print circuit board (20) accommodated in the case adjacent to the battery compartment.
- The portable device according to any one of claims 1 to 5, characterized in that the case includes:a base (31); anda cover (32), part of the cover covering the battery compartment, with a section of the base and the cover forming the separable portion.
- The portable device according to any one of claims 1 to 6, further characterized by:a holding means (41) detachably attached to the case to hold the separable portion in a closed state.
- The portable device according to claim 7, characterized in that the holding means includes a pair of pieces (42) that hold the separable portion therebetween.
- The portable device according to claim 8, characterized in that the pair of pieces has an area that is substantially the same as that of the battery compartment.
- The portable device according to claim 7, characterized in that the holding means includes a base (43) shaped in correspondence with edges of the separable portion and a pair of opposed holding pieces (42) for holding the separable portion therebetween, the holding means being formed so that distance between the pair of holding pieces decreases as distance from the base increases.
- The portable device according to any one of claims 7 to 10, further characterized by:a circuit board (20), to which electronic components are connected, accommodated in the case;a terminal (25) having a first end connected to the circuit board and a second end for contacting the battery in the battery compartment, with the holding means pressing the second end of the terminal against the battery when holding the separable portion.
- The portable device according to any one of claims 7 to 11, characterized in that one of the holding means and the separable portion includes a projection (44) and the other one of the holding means and the separable portion includes a pit (45) engaged with the projection.
- The portable device according to claim 12, characterized in that the projection and the pit are formed to guide the holding means when attaching the holding means to the case.
- The portable device according to any one of claims 7 to 13, characterized in that the holding means has a surface that is flush with the surface of the case when the holding means is attached to the case.
- A portable device (120, 40) for communication with an external device, the portable device characterized by:a case (22) made of a flexible material;a battery compartment (22b) formed in a corner of the case; anda separable portion (33) formed in the corner of the case in correspondence with the battery compartment, the corner of the case being deformable to open the separable portion and expose the battery compartment from the case, wherein the separable portion includes a first connecting surface (31a) and a second connecting surface (32a) that are arranged adjacent to the battery compartment and are separable from each other, the first connecting surface including a first fitting portion (36) formed to surround the battery compartment, and the second connecting surface including a second fitting portion (37) to which the first fitting portion is fitted.
- The portable device according to claim 15, further characterized by:a holder (41) including a base (43) shaped in correspondence with edges of the corner of the case and a pair of opposed holding pieces (42) for holding the separable portion therebetween, and the separable portion being thinner in correspondence with the thickness of the pair of holding pieces.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003026919A JP4057437B2 (en) | 2003-02-04 | 2003-02-04 | Portable machine |
JP2003026919 | 2003-02-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1445738A1 true EP1445738A1 (en) | 2004-08-11 |
EP1445738B1 EP1445738B1 (en) | 2005-08-17 |
Family
ID=32652965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20040001961 Expired - Fee Related EP1445738B1 (en) | 2003-02-04 | 2004-01-29 | Portable device having flexible case |
Country Status (5)
Country | Link |
---|---|
US (1) | US7505279B2 (en) |
EP (1) | EP1445738B1 (en) |
JP (1) | JP4057437B2 (en) |
KR (1) | KR100953597B1 (en) |
DE (1) | DE602004000052T2 (en) |
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EP1863048A2 (en) * | 2006-03-22 | 2007-12-05 | Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho | Portable device |
WO2008092536A1 (en) * | 2007-01-30 | 2008-08-07 | Robert Bosch Gmbh | Device comprising at least one electrochemical cell |
CN103429835A (en) * | 2010-11-05 | 2013-12-04 | 法雷奥安全座舱公司 | Key having a retractable insert, and related insert-extending module |
CN111809970A (en) * | 2020-06-23 | 2020-10-23 | 孔瑞扬 | Intelligent household door lock |
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JP4548206B2 (en) * | 2005-04-27 | 2010-09-22 | 株式会社デンソー | Wireless transceiver and manufacturing method thereof |
JP4548205B2 (en) * | 2005-04-27 | 2010-09-22 | 株式会社デンソー | Wireless transceiver and manufacturing method thereof |
US20080055824A1 (en) * | 2006-08-25 | 2008-03-06 | Innovatier, Inc. | Battery powered device having a protective frame |
JP5099624B2 (en) * | 2007-05-21 | 2012-12-19 | Necカシオモバイルコミュニケーションズ株式会社 | Battery holding device and portable electronic device equipped with the same |
JP5206534B2 (en) * | 2009-03-25 | 2013-06-12 | 株式会社デンソー | Electronic key |
JP5163776B2 (en) * | 2010-07-13 | 2013-03-13 | 株式会社デンソー | Card key |
USD669079S1 (en) * | 2010-09-01 | 2012-10-16 | Innovative Timing Systems | RFID tag reader housing |
JP5551561B2 (en) * | 2010-10-08 | 2014-07-16 | 株式会社サージュ | card reader |
JP5954095B2 (en) | 2012-10-09 | 2016-07-20 | 株式会社デンソー | Card key |
EP2747197B1 (en) * | 2012-12-18 | 2015-07-15 | Panasonic Corporation | Communication antenna unit and mobile terminal apparatus |
GB201306369D0 (en) * | 2013-04-09 | 2013-05-22 | Photocure As | Irradiation device |
US9185275B2 (en) * | 2013-07-09 | 2015-11-10 | Lenovo (Singapore) Pte. Ltd. | Control flap |
US9363264B2 (en) * | 2013-11-25 | 2016-06-07 | At&T Intellectual Property I, L.P. | Networked device access control |
US9175837B1 (en) | 2014-10-16 | 2015-11-03 | Arcachon Holdings Llc | Marker system |
US9341714B2 (en) | 2014-10-16 | 2016-05-17 | Arcachon Holdings Llc | Marker system |
US9746561B2 (en) | 2014-10-16 | 2017-08-29 | Arcachon Holdings Llc | Marker system |
US9144261B2 (en) | 2014-10-16 | 2015-09-29 | Arcachon Holdings Llc | Combination marker light and infrared interrogation device |
JP6315276B2 (en) * | 2014-11-19 | 2018-04-25 | 株式会社デンソー | Portable machine |
USD773406S1 (en) * | 2015-02-03 | 2016-12-06 | Lg Electronics Inc. | Smart key for automobiles |
US11049379B2 (en) | 2015-05-18 | 2021-06-29 | Arcachon Holdings Llc | Marker system with zone notification |
US10897805B2 (en) | 2015-05-18 | 2021-01-19 | Arcachon Holdings Llc | System, method, and apparatus for synchronizing flashing in a marker system |
US11771164B2 (en) | 2015-05-18 | 2023-10-03 | Arcachon Holdings Llc | System, method, and apparatus for synchronizing local flashing in a marker system |
US11047984B2 (en) | 2015-05-18 | 2021-06-29 | Arcachon Holdings Llc | System, method, and apparatus for synchronizing local flashing in a marker system |
USD838022S1 (en) | 2017-06-24 | 2019-01-08 | Arcachon Holdings Llc | Marker system |
US11139130B1 (en) | 2021-02-09 | 2021-10-05 | Arcachon Holdings Llc | Safety switch |
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- 2004-01-29 EP EP20040001961 patent/EP1445738B1/en not_active Expired - Fee Related
- 2004-01-29 DE DE200460000052 patent/DE602004000052T2/en not_active Expired - Fee Related
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EP1863048A2 (en) * | 2006-03-22 | 2007-12-05 | Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho | Portable device |
EP1863048A3 (en) * | 2006-03-22 | 2009-07-15 | Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho | Portable device |
US7923647B2 (en) | 2006-03-22 | 2011-04-12 | Kabushiki Kaisha Tokai Rika Denki Seisakusho | Portable device |
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CN103429835B (en) * | 2010-11-05 | 2016-05-11 | 法雷奥安全座舱公司 | There is the key of regracting plug-in unit and relevant plug-in unit and stretch out module |
CN111809970A (en) * | 2020-06-23 | 2020-10-23 | 孔瑞扬 | Intelligent household door lock |
Also Published As
Publication number | Publication date |
---|---|
DE602004000052T2 (en) | 2006-05-24 |
JP4057437B2 (en) | 2008-03-05 |
KR100953597B1 (en) | 2010-04-21 |
US7505279B2 (en) | 2009-03-17 |
KR20040071610A (en) | 2004-08-12 |
JP2004241896A (en) | 2004-08-26 |
DE602004000052D1 (en) | 2005-09-22 |
EP1445738B1 (en) | 2005-08-17 |
US20040185798A1 (en) | 2004-09-23 |
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